# 类与对象的关系
# 闹钟
class Clock:
    id = None
    price = None

    def ring(self):
        import winsound
        winsound.Beep(3000,8000)
clock1 = Clock()
clock1.id = 4589
clock1.price = 100
print(f"闹钟的编号是：{clock1.id}")
print(f"闹钟的价格是：{clock1.price}")
clock1.ring()
clock2 = Clock()
clock2.id = 4589
clock2.price = 100
print(f"闹钟的编号是：{clock2.id}")
print(f"闹钟的价格是：{clock2.price}")
# 修改之后
# 新建Pull Request试验
